Number one protection.

One trip to the ER to have gravel scrubbed out of your palms will convince you to never go gloveless. The Castelli S. Uno Glove fits like a second skin so you’ll have protection without the bulk.

Beginning with the palms, the S. Uno use ultra-suede, a durable fabric that is also pliable and soft. The palms are lightly padded, which provides some vibration protection for your hands while also allowing a secure grip around the bars. The backs of the hands are constructed from micro-mesh, which helps keep your hands cool so you’re able to wear them even in the heat of summer. The thumbs feature a debossed micro-suede panel, and they are secured with hook-and-loop tabs at the wrists. Reflective logos have been added for a little extra visibility.

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Too loose.

Familiarity: I've used it several times

I commute daily and road race on weekends. I have small hands (6 3/4" from wrist to top of middle finger), bought the small size and I think they are still too loose. They are sort of acceptable for commuting and but definitely not racing. The palm area seems poorly designed and you feel your hands slip around in the gloves. The strap would be better if it were fabric and wrapped under the wrist rather than over.

The pull tabs to remove the gloves are fantastic!!! I wish all gloves had these! I also think the padding is adequate, did an 80 mile ride with lots of climbing and my hands did not get fatigued nor did I feel pressure points from the padding.

Comment on justin's review:

Castelli S. Uno Gloves

These get the job done. I like these because they don't have too much padding in the palm. Some gel gloves have thick padding and cause my hands to get sore. These ones have just enough. My only complaint is the fingers are for people with fat fingers. The finger holes are really large. I'm 5,7 and 140lbs.